(19)
(11) EP 0 194 153 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
12.11.1986 Bulletin 1986/46

(43) Date of publication A2:
10.09.1986 Bulletin 1986/37

(21) Application number: 86301614

(22) Date of filing: 06.03.1986
(84) Designated Contracting States:
CH DE GB LI

(30) Priority: 06.03.1985 JP 4420885
08.04.1985 JP 7407585
22.04.1985 JP 8612185
18.07.1985 JP 15923785
20.12.1985 JP 28713685

(71) Applicant: Chisso Corporation
 ()

(72) Inventors:
  • Sugimori, Shigeru
     ()
  • Nigorikawa, Kazunori
     ()
  • Ogawa, Tetsuya
     ()

   


(54) Pyridine derivatives


(57) A novel pyridine derivative which, when added to liquid crystal substances, can improve various specific features required for the resulting liquid crystal compositions, and a liquid crystal composition containing the same are provided, which pyridine derivative is expressed by the formula

wherein W represents H or F; X, F, Cl or alkyl or alkoxy of 1 ~ 10 C;



; n, 0 or 1; Y, CN or alkyl of 1 ~ 10 C; Z, F, Cl or H; and when Z is F or Cl, Y is limited to CN, excluding specified case of compounds of the formula (I).





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